standpipe height

  • We are currently upgrading MFK. thanks! -neo

shluffer

Feeder Fish
MFK Member
Jan 1, 2009
102
0
0
Connecticut
How close to the top of the tank should the standpipe go? The water level I am looking for has it at about an inch from the top of the tank. Is that to close?
 
is it inside an overflow or just straight in the bottom of the tank?

if its in an overflow you can put it wherever you want because the overflow sets the water level... the higher you put it in the overflow the less "waterfall" noise you will get...

if its just drilled in the bottom of the tank then it serves as the overflow so put it where you want the water level to be..
 
Its in the tank (no overflow)

My preference is not to have an elbow since I would like to limit the piping as much as possible.

I spent a couple of minutes thinking about it. I'm not sure that the answer to this one will be easy. What I'm trying to figure out is how high above the pipe the water will get before the overflow will match the pump volume. To know this I would need the exact pump volume (what gets into the tank) and how to calculate the additional flow due to the increased head. I'm thinking it will be easier to just test it.

What can I use to keep the fish out of the pipe? I have been looking for vent caps, but have had no luck in finding one that looks the way I want.
 
the water should only get high enough over the standpipe to break the surface tension... aka.. only high enough to flow into it...
the standpipe will only return to the sump what the pump provides so dont worry about overflowing the sump... however the pump is 100% capable of pumping more than the standpipe can flow... (that is IF the pump is rated for more than pipe is capable of flowing)..

you can add a T to the pump line and a ball valve so that some of the water can be simply dumped back into the sump...




when you get it running and cant stand the noise... do some searing on "durso standpipe" .. its a wonderful invention and can be made several ways some of which are more pleasing to the eye than others
 
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